13869938 has 16 divisors (see below), whose sum is σ = 21371040. Its totient is φ = 6748896.

The previous prime is 13869913. The next prime is 13869949. The reversal of 13869938 is 83996831.

It is a junction number, because it is equal to n+sod(n) for n = 13869892 and 13869901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11345 + ... + 12507.

It is an arithmetic number, because the mean of its divisors is an integer number (1335690).

Almost surely, 2^13869938 is an apocalyptic number.

13869938 is a deficient number, since it is larger than the sum of its proper divisors (7501102).

13869938 is a wasteful number, since it uses less digits than its factorization.

13869938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321.

The product of its digits is 279936, while the sum is 47.

The square root of 13869938 is about 3724.2365660629. The cubic root of 13869938 is about 240.2655509769.

The spelling of 13869938 in words is "thirteen million, eight hundred sixty-nine thousand, nine hundred thirty-eight".